THE 10-SLOT CISCO CATALYST 4510R-E CHASSIS IS IDEAL FOR POWER OVER ETHERNET (POE) OR NON-POE HIGH-DENSITY ENTERPRISE WIRING CLOSETS AND BRANCH OFFICES THAT REQUIRE THE HIGHEST LEVEL OF RESILIENCY. THE CISCO CATALYST 4510R-E SUPPORTS REDUNDANT SUPERVISORS TO MINIMIZE DOWNTIME. THIS CHASSIS ALSO SUPPORT ALL CISCO CATALYST 4500 SERIES CLASSIC AND E-SERIES LINE CARDS.